From: Evan Hunt Date: Thu, 1 Sep 2022 23:34:21 +0000 (-0700) Subject: CHANGES and release notes for [GL #3523] X-Git-Tag: v9.16.37~4^2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9fed0e01159d78ea9e349d857d89d8473f2cdc44;p=thirdparty%2Fbind9.git CHANGES and release notes for [GL #3523] (cherry picked from commit 991de0aa7612cca50eae26b92b764cd5e37a3179) --- diff --git a/CHANGES b/CHANGES index b745a7d0e55..ad5c34c8362 100644 --- a/CHANGES +++ b/CHANGES @@ -1,3 +1,12 @@ +6064. [security] An UPDATE message flood could cause named to exhaust all + available memory. This flaw was addressed by adding a + new "update-quota" statement that controls the number of + simultaneous UPDATE messages that can be processed or + forwarded. The default is 100. A stats counter has been + added to record events when the update quota is + exceeded, and the XML and JSON statistics version + numbers have been updated. (CVE-2022-3094) [GL #3523] + 6062. [func] The DSCP implementation, which has only been partly operational since 9.16.0, is now marked as deprecated. Configuring DSCP values in named.conf diff --git a/doc/notes/notes-current.rst b/doc/notes/notes-current.rst index a72ee574372..6ce4145851f 100644 --- a/doc/notes/notes-current.rst +++ b/doc/notes/notes-current.rst @@ -15,12 +15,25 @@ Notes for BIND 9.16.37 Security Fixes ~~~~~~~~~~~~~~ -- None. +- An UPDATE message flood could cause :iscman:`named` to exhaust all + available memory. This flaw was addressed by adding a new + ``update-quota`` option that controls the maximum number of + outstanding DNS UPDATE messages that :iscman:`named` can hold in a + queue at any given time (default: 100). (CVE-2022-3094) + + ISC would like to thank Rob Schulhof from Infoblox for bringing this + vulnerability to our attention. :gl:`#3523` New Features ~~~~~~~~~~~~ -- None. +- The new ``update-quota`` option can be used to control the number of + simultaneous DNS UPDATE messages that can be processed to update an + authoritative zone on a primary server, or forwarded to the primary + server by a secondary server. The default is 100. A new statistics + counter has also been added to record events when this quota is + exceeded, and the version numbers for the XML and JSON statistics + schemas have been updated. :gl:`#3523` Removed Features ~~~~~~~~~~~~~~~~